Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab
B. 8ab
C. 4a + 4b
D. 4a + b
Answer: C
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If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. -1.38 B. 1.50 C. 1.38 D. -1.50
Assume that x, y, and c are positive numbers. Use the properties of logarithms to write the expression 
in terms of the logarithms of x and y.
a. 
b. 
c. 
d. 
e. 
An ice cream cone is 2.8 cm in radius and 12.7 cm deep. How many cubic centimeters of ice cream will it hold if it is filled and topped with a hemisphere with the same radius of the cone? Round the answer to one decimal place.
(a) 136.0 cm³ (b) 150.2 cm³ (c) 211.1 cm³ (d) 290.9 cm³
Match the inequality with the correct graph or interval notation.x ? -5
A. 
B. 
C. 
D. 